@STRING{ajc = "Austr.~J.~Chem."}
@STRING{ijqcqcs = "Int.~J.~Quantum Chem.:Quantum Chem.~Symp."}
@STRING{jcsdt = "J.~Chem.~Soc., Dalton Trans."}
@STRING{znb = "Z.~Naturforsch.\ {\bf B}"}
@STRING{zna = "Z.~Naturforsch.\ {\bf A}"}
@STRING{jrs = "J.~Raman Spectrosc."}
@STRING{aciee = "Angew.~Chem.~Int.~Ed.~Engl."}
@STRING{cmr = "Conc.~Magn.~Reson."}
@STRING{hca = "Helv.~Chim.~Acta"}
@STRING{ic = "Inorg.~Chem."}
@STRING{cpc = "Comp.~Phys.~Commun."}
@STRING{jpc = "J.~Phys.~Chem."}
@STRING{jacs = "J.~Am.~Chem.~Soc."}
@STRING{jcp = "J.~Chem.~Phys."}
@STRING{cpl = "Chem.~Phys.~Lett."}
@STRING{ijqc = "Int.~J.~Quantum Chem."}
@STRING{jcc = "J.~Comput.~Chem."}
@STRING{tca = "Theor.~Chim.~Acta"}
@STRING{tcan = "Theor.~Chem.~Acc."}
@STRING{jmr = "J.~Magn.~Reson."}
@STRING{jmra = "J.~Magn.~Reson.~{\bf A}"}
@STRING{jpcrd = "J.~Phys.~Chem.~Ref.~Data"}
@STRING{eic = "Education in Chemistry"}
@STRING{jcspt2 = "J.~Chem.~Soc., Perkin Trans.\ 2"}
@STRING{sa = "Spectrochim.~Acta {\bf A}"}
@STRING{jpbamp = "J.~Phys.\ B: At.~Mol.~Phys."}
@STRING{jpamg = "J.~Phys.\ A: Math.~Gen."}
@STRING{mp = "Mol.~Phys."}
@STRING{mric = "Magn.~Reson. in Chem."}
@STRING{gci = "Gazzetta Chim.~Ital."}
@STRING{cp = "Chem.~Phys."}
@STRING{pm = "Phil.~Mag."}
@STRING{jcics = "J.~Chem.~Inf.~Comput.~Sci."}
@STRING{cr = "Chem.~Rev."}
@STRING{csr = "Chem.~Soc.~Rev"}
@STRING{jms = "J.~Mol.~Struct."}
@STRING{cjc = "Can.~J.~Chem."}
@STRING{jmc = "J.~Math.~Chem."}
@STRING{pr = "Phys.~Rev."}
@STRING{pra = "Phys.~Rev. {\bf A}"}
@STRING{jpoc = "J.~Phys.~Org.~Chem."}
@STRING{jcsft = "J.~Chem.~Soc.\ Faraday Trans."}
@STRING{acs = "Acta Chem.~Scand."}
@STRING{csj = "Chem.~Soc.~Jpn."}
@STRING{bcsj = "Bull.~Chem.~Soc.~Jpn."}
@STRING{jcscc = "J.~Chem.~Soc.~,Chem.~Commun."}
@STRING{jce = "J.~Chem.~Educ."}
@STRING{mpla = "Mod.~Phys.~Lett.\ {\bf A}"}
@STRING{ajp = "Am.~J.~Phys."}
@STRING{cb = "Chem.~Ber."}
@STRING{tfs = "Trans.~Faraday Soc."}
%
%
%	1992
%
%
@ARTICLE{mjhjajpjarthkrcpl191,
	AUTHOR = {M.~Jaszu\'{n}ski and H.~J.~Aa.~Jensen and P.~J{\o}rgensen
	          and A.~Rizzo and T.~Helgaker and K.~Ruud},
	KEY = {The magnetic hyperpolarizability anisotropy of the neon
	       atom},
	JOURNAL = cpl ,
	VOLUME = 191 ,	
	YEAR = 1992 ,
	PAGES = 599 }
%
%
%	1993
%
%
@ARTICLE{mjklbpjthkrhjajcpl204,
	AUTHOR = {M.~Jaszu\'{n}ski and K.~L.~Bak and P.~J{\o}rgensen and
	          T.~Helgaker and K.~Ruud and H.~J.~Aa.~Jensen},
	KEY = {Nuclear magnetic shielding tensor for the ethylenic
	       carbon atom in tetrachlorocyclopropene},
	JOURNAL = cpl ,	
	VOLUME = 204 ,
	YEAR = 1993 ,
	PAGES = 608 }

@ARTICLE{klbpjthkrhjajjcp98,
	AUTHOR = {K.~L.~Bak and P.~J{\o}rgensen and T.~Helgaker and K.~Ruud
	          and H.~J.~Aa.~Jensen},
	KEY = {Gauge-origin independent multiconfigurational
	       self-consistent-field theory for vibrational circular
	       dichroism},
	JOURNAL = jcp ,
	VOLUME = 98 ,
	YEAR = 1993 ,
	PAGES = 8873 }

@ARTICLE{krthklbpjhjajjcp99,
	AUTHOR = {K.~Ruud and T.~Helgaker and K.~L.~Bak and P.~J{\o}rgensen
	          and H.~J.~Aa.~Jensen},
	KEY = {Hartree-Fock limit magnetizabilities from London
	       orbitals},
	JOURNAL = jcp ,
	VOLUME = 99 ,
	YEAR = 1993 ,
	PAGES = 3847 }
%
%
%	1994
%
%
@ARTICLE{mjthkrklbpjcpl220,
	AUTHOR = {M.~Jaszu\'{n}ski and T.~Helgaker and K.~Ruud and
	          K.~L.~Bak and P.~J{\o}rgensen},
	KEY = {MCSCF calculations of nitrogen NMR shielding
	       constants using London atomic orbitals},
	JOURNAL = cpl ,	
	VOLUME = 220 ,	
	YEAR = 1994 ,
	PAGES = 154 }

@ARTICLE{mjpjarkrthcpl222,
	AUTHOR = {M.~Jaszu\'{n}ski and P.~J{\o}rgensen and A.~Rizzo and
	          K.~Ruud and T.~Helgaker},
	KEY = {MCSCF calculations of Verdet constants},
	JOURNAL = cpl ,
	VOLUME = 222 ,
	YEAR = 1994 ,
	PAGES = 263 }

@ARTICLE{klbpjthkrhjajjcp100,
	AUTHOR = {K.~L.~Bak and P.~J{\o}rgensen and T.~Helgaker and K.~Ruud
	          and H.~J.~Aa.~Jensen},
	KEY = {Basis set convergence of atomic axial tensors obtained
	       from self-consistent field calculations using London
	       atomic orbitals},
	JOURNAL = jcp ,
	VOLUME = 100 ,
	YEAR = 1994 ,
	PAGES = 6620 }

@ARTICLE{krthrkpjklbhjajjcp100,
	AUTHOR = {K.~Ruud and T.~Helgaker and R.~Kobayashi and
	 	  P.~J{\o}rgensen and K.~L.~Bak and H.~J.~Aa.~Jensen}, 
	KEY = {Multiconfigurational Self Consistent Field (MCSCF)
	       calculations of nuclear shieldings using London atomic
	       orbitals},
	JOURNAL = jcp ,
	VOLUME = 100 ,
	YEAR = 1994 ,
	PAGES = 8178 }

@ARTICLE{krthpjklbcpl223,
	AUTHOR = {K.~Ruud and T.~Helgaker and P.~J{\o}rgensen and K.~L.~Bak},
	KEY = {Theoretical calculations of the magnetizability of some
	       small fluorine-containing molecules using London atomic
	       orbitals}, 
	JOURNAL = cpl ,	
	VOLUME = 223 ,
	YEAR = 1994 ,
	PAGES = 12 }

@ARTICLE{krthklbpjcpl226,
	AUTHOR = {K.~Ruud and T.~Helgaker and P.~J{\o}rgensen and  K.~L.~Bak},
	KEY = {An {\it ab initio} Nuclear Magnetic Resonance spectrum
	       of vinyllithium},
	JOURNAL = cpl ,
	VOLUME = 226 ,
	YEAR = 1994 ,
	PAGES = 1 }

@ARTICLE{abthmjpjkrjcp101,
	AUTHOR = {A.~Barszczewicz and T.~Helgaker and M.~Jaszu\'{n}ski and
                  P.~J{\o}rgensen and K.~Ruud},
	KEY = {Multiconfigurational self-consistent field calculations
	       of nuclear magnetic resonance indirect spin-spin
	       coupling constants},
	JOURNAL = jcp ,
	VOLUME = 101 ,
	YEAR = 1994 ,
	PAGES = 6822 }

@ARTICLE{krhsthklbpjjacs116,
	AUTHOR = {K.~Ruud and H.~Skaane and T.~Helgaker and K.~L.~Bak and
	          P.~J{\o}rgensen},
	KEY = {Magnetizability of hydrocarbons},
	JOURNAL = jacs ,
	VOLUME = 116 ,
	YEAR = 1994 ,
	PAGES = 10135 }

@ARTICLE{klbpjthkrfd99,
	AUTHOR = {K.~L.~Bak and P.~J\o rgensen and T.~Helgaker and K.~Ruud},
	KEY = {Basis Set Convergence and Correlation Effects in
	       Vibrational Circular Dichroism Calculations using
	       London Atomic Orbitals},
	JOURNAL = {Faraday Discuss.},
	VOLUME = 99 ,
	YEAR = 1994 ,
	PAGES = 121 }

@ARTICLE{thkrklbpjjofd99,
	AUTHOR = {T.~Helgaker and K.~Ruud and K.~L.~Bak and P.~J{\o}rgensen
	          and J.~Olsen},
	KEY = {Vibrational Raman Optical Activity Calculations Using
 	       London Atomic Orbitals},
	JOURNAL = {Faraday Discuss.},
	VOLUME = 99 ,
	YEAR = 1994 ,
	PAGES = 165 }
%
%
%	1995
%
%
@ARTICLE{krthjopjklbcpl235,
	AUTHOR = {K.~Ruud and T.~Helgaker and J.~Olsen and P.~J{\o}rgensen
	          and K.~L.~Bak},
	KEY = {A numerically stable orbital connection for the
	       calculation of analytical Hessians using perturbation
	       dependent basis sets},
	JOURNAL = cpl ,
	VOLUME = 235 ,
	YEAR = 1995 ,
	PAGES = 47 }

@ARTICLE{joklbkrthpjtca90,
	AUTHOR = {J.~Olsen and K.~L.~Bak and K.~Ruud and T.~Helgaker and
	          P.~J{\o}rgensen},
	KEY = {Orbital Connections for Perturbation Dependent Basis
	       Sets},
	JOURNAL = tca ,
	VOLUME = 90 ,
	YEAR = 1995 ,
	PAGES = 421 }

@ARTICLE{klbaehkrthjopjtca90,
	AUTHOR = {K.~L.~Bak and Aa.~E.~Hansen and K.~Ruud and T.~Helgaker
	          and J.~Olsen and P.~J{\o}rgensen},
	KEY = {{\it Ab initio} calculation of electronic circular
	        dichroism for trans-cyclooctene using London atomic
	        orbitals},
	JOURNAL = tca ,
	VOLUME = 90 ,
	YEAR = 1995 , 
	PAGES = 441 }

@ARTICLE{eloamlohskrtheutvems1,
	AUTHOR = {E.~L.~{\O}iestad and {\AA}.~M.~L.~{\O}iestad and H.~Skaane
	          and K.~Ruud and T.~Helgaker and E.~Uggerud and
	          T.~Vulpius},
	KEY = {Loss of H2 from CH3NH3+, CH3OH2+, and CH3FH+. reaction
	       mechanisms and dynamics from observation of metastable
	       ion fragments and ab initio calculations},
	JOURNAL = {Europ.~Mass Spectrom.},
	VOLUME = 1 ,
	YEAR = 1995 ,
	PAGES = 121 }

@ARTICLE{abthmjpjkrjmra114,
	AUTHOR = {A.~Barszczewicz and T.~Helgaker and M.~Jaszu\'{n}ski
	          and P.~J{\o}rgensen and K.~Ruud},
	KEY = {NMR shielding constants and spin-spin coupling
               constants in HCN, HNC, CH3CN, and CH3NC molecules},
	JOURNAL = jmra ,
	VOLUME = 114 ,
	YEAR = 1995 ,
	PAGES = 212 }

@ARTICLE{krthklbpjjocp195,
	AUTHOR = {K.~Ruud and T.~Helgaker and K.~L.~Bak and P.~J{\o}rgensen
		  and J.~Olsen},
	KEY = {Accurate magnetizabilities of the isoelectronic series
	       BeH$^{-}$, BH and CH$^{+}$. The MCSCF-GIAO approach},
	JOURNAL = cp ,
	VOLUME = 195 ,
	YEAR = 1995 ,
	PAGES = 157 }

@ARTICLE{arthkrabmjpjjcp102,
	AUTHOR = {A.~Rizzo and T.~Helgaker and K.~Ruud and A.~Barszczewicz
	          and M.~Jaszu\'{n}ski and P.~J{\o}rgensen},
	KEY = {Electric field dependence of magnetic properties:
	       Multiconfigurational self-consistent field calculations
	       of hypermagnetizabilities and shielding
	       polarizabilities},
	JOURNAL = jcp ,
	VOLUME = 102 ,
	YEAR = 1995 ,
	PAGES = 8953 }

@ARTICLE{mjthkrpjklbhkmp85,
	AUTHOR = {M.~Jaszu\'{n}ski and T.~Helgaker and K.~Ruud and
	          P.~J{\o}rgensen and K.~L.~Bak and H.~Koch},
	KEY = {SCF calculations of the NMR shielding tensor for the
	       ethylenic carbon atom in C3Cl4},
	JOURNAL = mp ,
	VOLUME = 85 ,
	YEAR = 1995 ,
	PAGES = 671 }

@ARTICLE{mjssocpjthkrcpl243,
	AUTHOR = {M.~Jaszu\'{n}ski and S.~Szym\'{a}nski and
	          O.~Christiansen and P.~J{\o}rgensen and T.~Helgaker and
   	          K.~Ruud},
	KEY = {NMR properties of N3- - a comparison of theory and
	       experiment},
	JOURNAL = cpl ,
	VOLUME = 243 ,
	YEAR = 1995 ,
	PAGES = 144 }

@ARTICLE{tbpaehcpl246,
	AUTHOR  = {T.~B.~Pedersen and Aa.~E.~Hansen},
	TITLE   = {{\it Ab initio} calculation and display of the
	           rotatory strength tensor in the random phase approximation:
	           Method and model studies},
	JOURNAL = cpl,
	VOLUME  = 246,
	YEAR    = 1995,
	PAGES   = {1-8} }

@Article{krprtpoacpl337,
  author = 	 {K.~Ruud and P.~R.~Taylor and P.-O.~{\AA}strand},
  journal = 	 cpl,
  year = 	 {2001},
  key = 	 {Zero-point vibrational effects on optical rotation},
  volume = 	 {337},
  pages = 	 {215}
}

@INCOLLECTION{thkrprt95,
	AUTHOR = {T.~Helgaker, K.~Ruud and P.~R.~Taylor},
	EDITOR = {D.~Heidrich},
	TITLE = {Second-Order Methods for the Optimization of
	         Molecular Potential Energy Surfaces},
	BOOKTITLE = {The reaction path in Chemistry: Current
	             Approaches and Perspectives},
	PUBLISHER = {Kluwer, Netherlands},
	YEAR = 1995 }

@ARTICLE{jgkrijqccs29,
	AUTHOR = {J.~Gauss and K.~Ruud},
	KEY = {On the Convergence of MBPT and CC Nuclear Magnetic
	       Shielding Constants of BH towards the Full CI limit},
	JOURNAL = {Int.~J.~Quantum Chem.:~Quantum~Chem.~Symp.},
	VOLUME = 29 ,
	YEAR = 1995 ,
	PAGES = 437 }

@ARTICLE{abmjthkrcpl250,
	AUTHOR = {A.~Barszczewicz and M.~Jaszu\'{n}ski and T.~Helgaker
	          and K.~Ruud},
	KEY = {Long-range effects of interatomic interactions on the
	       NMR shielding constants},
	JOURNAL = cpl ,
	VOLUME = 250 ,
	YEAR = 1996 ,
	PAGES = 1 }

@ARTICLE{pndjhapdkrthhkcpl253,
	AUTHOR = {P.~Norman and D.~Jonsson and H.~{\AA}gren and P.~Dahle
	          and K.~Ruud and T.~Helgaker and H.~Koch},
	KEY = {Efficient parallel implementation of response theory:
	       Calculations of the second hyperpolarizability of
	       polyacenes},
	JOURNAL = cpl ,	
	VOLUME = 253 ,
	YEAR = 1996 ,
	PAGES = 1 }

@ARTICLE{kvmkrthcpl253,
	AUTHOR = {K.~V.~Mikkelsen and K.~Ruud and T.~Helgaker},
	KEY = {Magnetizabilities and Nuclear Shielding Constants of
	       Solvated Water},
	JOURNAL = cpl ,
	VOLUME = 253 ,
	YEAR = 1996 ,
	PAGES = 443 }

@ARTICLE{scarkrthmp88,
	AUTHOR = {S.~Coriani and A.~Rizzo and K.~Ruud and T.~Helgaker},
	KEY = {MCSCF calculations of hypermagnetizabilities and
	       nuclear shielding polarizabilities of CO and CH4},
	JOURNAL = mp ,
	VOLUME = 88 ,
	YEAR = 1996 ,
	PAGES = 931 }

@ARTICLE{pabtkrkrcp208,
	AUTHOR = {P.~A.~Braun and T.~K.~Rebane and K.~Ruud},
	KEY = {Vibrational magnetism of HCN and its isotopomers using
	       rotational London atomic orbitals},
	JOURNAL = cp ,
	VOLUME = 208 ,
	YEAR = 1996 ,
	PAGES = 341 }

@ARTICLE{mjthkrmric34,
	AUTHOR = {M.~Jaszu\'{n}ski and T.~Helgaker and K.~Ruud},
	KEY = {Ab initio studies of the [AX]2 spin system of cis- and
	       trans-N2F2},
	JOURNAL = {Magn.~Reson.~Chem.},
	VOLUME = 34 ,
	YEAR = 1996 ,
	PAGES = 646 }

@ARTICLE{jgkrthjcp105,
	AUTHOR = {J.~Gauss and K.~Ruud and T.~Helgaker},
	KEY = {Perturbation-dependent atomic orbitals for the
	calculation of spin-rotation constants and rotational {\em g}
	tensors},
	JOURNAL = jcp ,
	VOLUME = 105 ,
	YEAR = 1996 ,
	PAGES = 2804
}
#        NOTE = {See also Cybulski, S.~M. and Bishop, D.~M. {\em ibid.\/}
#                  {\bf 1997}, {\it 106}, 4357}

@ARTICLE{hhbthkreujpc100,
	AUTHOR = {H.~-H.~Bueker and T.~Helgaker and K.~Ruud and
	          E.~Uggerud},
	KEY = {Energetics and Dynamics of Intermolecular
	       Proton-Transfer Processes. 2. Ab initio Direct Dynamics
	       Calculations of the Reaction H3O+ + NH3 -> NH4+ + H2O},
	JOURNAL = jpc ,
	VOLUME = 100 ,
	YEAR = 1996 ,
	PAGES = 15388 }

@ARTICLE{krpoathkvmjms388,
	AUTHOR = {K.~Ruud and {\mbox P.-O.}~{\AA}strand and T.~Helgaker and
	          K.~V.~Mikkelsen},
	KEY = {Full CI calculations of the magnetizability and
	       rotational g factor of the hydrogen molecule},
        JOURNAL = {J.~Mol.~Struct., (THEOCHEM)},
        VOLUME = 388 ,
        YEAR = 1996 ,
        PAGES = 231 }

@ARTICLE{poakvmkrthjpc100,
	AUTHOR = {{\mbox P.-O.}~{\AA}strand and K.~V.~Mikkelsen and K.~Ruud and
	          T.~Helgaker},
	KEY = {Magnetizabilities and nuclear shielding constants of
	       the fluoromethanes in gas phase and solution},
        JOURNAL = jpc ,
        VOLUME = 100 ,
        YEAR = 1996 ,
        PAGES = 19771 }
%
%
%	1997
%
%
@ARTICLE{krthcpl264,
	AUTHOR = {K.~Ruud and T.~Helgaker},
	KEY = {The magnetizability, rotational g tensor, and
	quadrupole moment of PF3 revisited},
	JOURNAL = cpl ,
	VOLUME = 264 ,
	YEAR = 1997 ,
	PAGES = 17 }

@ARTICLE{kvmpjkrthjcp106,
	AUTHOR = {K.~V.~Mikkelsen and P.~J{\o}rgensen and K.~Ruud and
	          T.~Helgaker},
	KEY = {A Multipole Reaction Field Model for Gauge Origin
	       Independent Magnetic Properties of Solvated Molecules},
        JOURNAL = jcp ,
        VOLUME = 106 ,
        YEAR = 1997 ,
        PAGES = 1170 }

@ARTICLE{bfocpjjbjgkrjcp106,
        AUTHOR = {B.~Fernandez and O.~Christiansen and P.~J{\o}rgensen
                  and J.~Byberg and J.~Gauss and K.~Ruud},
        JOURNAL = jcp ,
        VOLUME = 106 ,
        YEAR = 1997 ,
        PAGES = 1847 }

@ARTICLE{scarkrthcp216,
	AUTHOR = {S.~Coriani and A.~Rizzo and K.~Ruud and T.~Helgaker},
	KEY = {Cotton-Mouton effect and shielding polarizabilties of
	ethylene: an MCSCF study},
        JOURNAL = cp ,
        VOLUME = 216 ,
        YEAR = 1997 ,
        PAGES = 53 }

@MISC{krtheujms393,
	AUTHOR = {K.~Ruud and T.~Helgaker and E.~Uggerud},
	KEY = {Mechanisms, energetics and dynamics of a key reaction
	       sequence during the decomposition of nitromethane: HNO +
	       HNO -> N2O + H2O},
        JOURNAL = {J.~Mol.~Struct. (THEOCHEM)},
        VOLUME = 393 ,
        YEAR = 1997 ,
        PAGES = 59 }

@ARTICLE{poakrkvmthcpl271,
	AUTHOR = {{\mbox P.-O.}~{\AA}strand and K.~Ruud and K.~V.~Mikkelsen and
	T.~Helgaker},
	KEY = {The magnetizability anisotropy and rotational g factor
	of deuterium hydride and the deuterium molecule},
        JOURNAL = cpl ,
        VOLUME = 271 ,
        YEAR = 1997 ,
        PAGES = 163 }

@ARTICLE{krtharsckvmjcp107,
	AUTHOR = {K.~Ruud and T.~Helgaker and A.~Rizzo and S.~Coriani and
	K.~V.~Mikkelsen},
	KEY = {The Cotton-Mouton Effect (CME) of liquid water. Part I:
	The dielectric continuum model},
	JOURNAL = jcp,
        VOLUME = 107 ,
        YEAR = 1997 ,
        PAGES = 894 }

@Article{thmjkrmp91,
  author = 	 {T.~Helgaker and M.~Jaszu\'{n}ski and K.~Ruud},
  journal = 	 mp,
  year = 	 {1997},
  key = 	 {Ab-initio calculations of the NMR shielding and
                  indirect spin-spin coupling constants of
                  fluoroethylene}, 
  volume = 	 {91},
  pages = 	 {881}
}

@ARTICLE{jljvyhapjjmakkrjcp107,
	AUTHOR = {J.~Lounila and J.~Vaara and Y.~Hiltunen and
                  A.~Pulkkinen and J.~Jokisaari and M.~Ala-Korpela and
	          K.~Ruud},
	KEY = {Secondary Isotope Effects on the 13C and 77Se Nuclear
	       Shielding in Carbon Diselenide},
        JOURNAL = jcp ,
        VOLUME = 107 ,
        YEAR = 1997 ,
        PAGES = 1350 }

@ARTICLE{poakrkvmthmp92,
	AUTHOR = {{\mbox P.-O}.~{\AA}strand and K.~Ruud and K.~V.~Mikkelsen and
	          T.~Helgaker},
	KEY = {Electric and magnetic properties of the nitroethene molecule},
        JOURNAL = mp ,
        VOLUME = 92 ,
        YEAR = 1997 ,
        PAGES = 89 }

@ARTICLE{krthpjjcp107,
	AUTHOR = {K.~Ruud and T.~Helgaker and P.~J{\o}rgensen},
	KEY = {The effect of correlation on molecular
	magnetizabilities and rotational {\em g} tensor},
	JOURNAL = jcp ,
        VOLUME = 107 ,
        PAGES = 10599 ,
        YEAR = 1997 }
%
%
%	1998
%
%
@ARTICLE{krhapdtharschkkoshkvmjcp108,
	AUTHOR = {K.~Ruud and H.~Agren and P.~Dahle and T.~Helgaker
                  and A.~Rizzo and S.~Coriani and H.~Koch and
                  K.~O.~Sylvester-Hvid and K.~V.~Mikkelsen},
	KEY = {The Cotton-Mouton Effect (CME) of liquid water. Part
	II: The semi-continuum model},
	JOURNAL = jcp ,
        VOLUME = 108 ,
        YEAR = 1998 ,
        PAGES = 599 }

@ARTICLE{poakvmpjkrthjcp108,
	AUTHOR = {{\mbox P.-O}.~{\AA}strand and K.~V.~Mikkelsen and
                  P.~J{\o}rgensen and K.~Ruud and T.~Helgaker},
	KEY = {The solvent effects on the shieldings and spin-spin
	couplings of H$_{2}$Se},
        JOURNAL = jcp ,
        VOLUME = 108 ,
        YEAR = 1998 ,
        PAGES = 2528}

@ARTICLE{ylkrpndjhajpcb102,
  author = 	 {Y.~Luo and K.~Ruud and P.~Norman and D.~Jonsson and
                  H.~{\AA}gren},
  key = 	 {Saturation of the optical band gap and properties of
                  five-membered heteroaromatic oligomers},
  journal = jpcb ,
  volume = 102 ,
  year = 1998 ,
  pages = 1710
}

@Article{kvdhskrthzna53,
	AUTHOR = {K.~Voges and D.~H.~Sutter and K.~Ruud and T.~Helgaker},
	KEY = {The Molecular Zeeman Effect of Norbornadiene, its
                  g-Values, Magnetizability Anisotopies, and Molecular
                  Electric Quadrupole Moment; A High-Resolution
                  Micorwave Fourier-Transform Study Combined With
                  Quantum Chemical Calculations},
        JOURNAL = zna ,
        VOLUME = 53 ,
        YEAR = 1998 ,
        PAGES = 67 }

@article{ylpnkrhacpl285,
  key = 	 {Molecular length dependence of optical properties in
                  conjugated molecules},
  author = 	 {Y.~Luo and P.~Norman and K.~Ruud and H.~{\AA}gren},
  journal = cpl ,
  volume = 285 ,
  year = 1998 ,
  pages = 160
}

@article{krhathpdhkprtcpl285,
        AUTHOR = {K.~Ruud and H.~{\AA}gren and T.~Helgaker and P.~Dahle
                  and H.~Koch and P.~R.~Taylor},
        key = {The Hartree-Fock magnetizability of C60},
        journal = cpl ,
        volume = 285 ,
        year = 1998 ,
        pages = 205 }

@Article{scmjarkrcpl287,
  key = 	 {MCSCF nuclear chemical shieldings of ozone and
                  spin-rotation constants in 16O17O16O and 17O16O16O},
  author = 	 {S.~Coriani and M.~Jaszu\'{n}ski and A.~Rizzo and
                  K.~Ruud}, 
  journal =      cpl ,
  volume =       287 ,
  year =         1998 ,
  pages =        677
}

@ARTICLE{krdjpnhatshjajpdthjcp108,
        AUTHOR = {K.~Ruud and D.~Jonsson and P.~Norman and H.~{\AA}gren
                  and T.~Saue and H.~J.~Aa.~Jensen and P.~Dahle and
                  T.~Helgaker},
        KEY = {Generalized integral-screening for efficient
                  calculations of nonlinear optical properties of
                  large molecules},
        JOURNAL = jcp,
        VOLUME = 108 ,
        YEAR = 1998 ,
        PAGES = 7973 }

@ARTICLE{thmjkragtcan99,
  key = 	 {Basis-set dependence of nuclear spin-spin coupling constants},
  author = 	 {T.~Helgaker and M.~Jaszu\'{n}ski and K.~Ruud and
                  A.~G\'{o}rska},
  journal = tcan ,
  volume = 99 ,
  year = 1998 ,
  pages = 175
}

@Article{ahwskrgsmajdosjacs120,
  key = 	 {On the Nature and Incidence of beta-Agostic
                  Interactions in Ethyl Derivatives of Early
                  Transition Metals: Ethyltitanium Trichloride and
                  Related Compounds},
  author = 	 {A.~Haaland and W.~Scherer and K.~Ruud and
                  G.~S.~McGrady and A.~J.~Downs and O.~Swang},
  journal = 	 jacs ,
  volume =       120 ,
  year =         1998 ,
  pages =        3762
}

@Article{djylkrpnhacpl288,
  key = 	 {Calculations of circular intensity differences in
                  electric field induced second harmonic generation},
  author = 	 {D.~Jonsson and Y.~Luo and K.~Ruud and P.~Norman and
                  H.~{\AA}gren},
  journal = cpl ,
  volume = 288 ,
  year = 1998 ,
  pages = 371
}

@ARTICLE{djpnkrhathjcp109,
  author = 	 {D.~Jonsson and P.~Norman and K.~Ruud and H.~{\AA}gren
                  and T.~Helgaker},
  key = 	 {The electric and magnetic properties of fullerenes},
  journal =      jcp ,
  volume = 109 ,
  year = 1998 ,
  pages = 572
}

@ARTICLE{thmjkrpjc72,
        AUTHOR = {T.~Helgaker and M.~Jaszu\'{n}ski and K.~Ruud},
        key = {Full CI calculations of magnetic properties of the H2
                  molecule in the B1 Sigma_u^+ state},
        JOURNAL = {Pol.~J.~Chem.},
        VOLUME = 72 ,
        YEAR = 1998 ,
        PAGES = 1405 }

@Article{jvkrovhajjjcp109,
  key = 	 {MCSCF Quadratic Response Calculations of Electronic
                  Spin-Orbit Contributions to Nuclear Shielding
                  Tensors}, 
  author = 	 {J.~Vaara and K.~Ruud and O.~Vahtras and H.~{\AA}gren
                  and J.~Jokisaari},
  journal =      jcp ,
  year = 1998 ,
  volume = 109 ,
  pages = 1212 
}

@Article{yldjpnkrovbmhaarkvmijqc70,
  key = 	 {Some Recent Developments of High-Order Response Theory},
  author = 	 {Y.~Luo and D.~Jonsson and P.~Norman and K.~Ruud and
                  O.~Vahtras and B.~Minaev and H.~{\AA}gren and
                  A.~Rizzo and K.~V.~Mikkelsen},
  journal = ijqc ,
  volume = 70 ,
  year = 1998 ,
  pages = 219
}


@ARTICLE{arkrthmjjcp109,
  key = 	 {Electric Field Gradient, generalized Sternheimer
                  shieldings and Electric Field Gradient
                  polarizabilities by Multiconfigurational SCF response}, 
  author = 	 {A.~Rizzo and K.~Ruud and T.~Helgaker and
                  M.~Jaszu\'{n}ski},
  journal =      jcp ,
  volume =       109 ,
  year =         1998 ,
  pages =        2264
}

@Article{poakrkvmthjpca,
  author = 	 {P.~-O.~{\AA}strand and K.~Ruud and K.~V.~Mikkelsen
                  and T.~Helgaker},
  key = 	 {Atomic charges of the water molecule and the water
                  dimer}, 
  journal = jpca ,
  volume = 102 ,
  year = 1998 ,
  pages = 7686 
}

@Article{bmjvkrovhacpl295,
  key = 	 {Internuclear Distance Dependence of the Spin-Orbit
                  Coupling Contributions to Proton NMR Chemical Shifts},
  author = 	 {B.~Minaev and J.~Vaara and K.~Ruud and O.~Vahtras
                  and H.~{\AA}gren},
  journal = cpl ,
  volume = 295 ,
  year = 1998 ,
  pages = 455
}


@Article{scarchkrpjjcp,
  key = 	 {Coupled Cluster investigation of the Electric Field
                  Gradient induced birefringence of H2, N2, C2H2 and CH4},
  author = 	 {S.~Coriani and C.~H\"{a}ttig and  P.~J{\o}rgensen
                   and A.~Rizzo and K.~Ruud},
  journal =      jcp ,
  volume  =      109 ,
  pages =        7176 ,
  year =         1998
}

@Article{jvjlkrthjcp109,
  key = 	 {Rovibrational effects, temperature dependence and
                  isotope effects on the nuclear shielding in the
                  water molecule: A new 17O absolute shielding scale},
  author = 	 {J.~Vaara and J.~Lounila and K.~Ruud and T.~Helgaker},
  journal =      jcp ,
  volume =       109 ,
  pages =        8388 ,
  year =         1998 
}

@Article{krjvjlthcpl297,
  key = 	 {Vibrationally averaged magnetizabilities and
                  rotational g tensors of the water molecule},
  author = 	 {K.~Ruud and J.~Vaara and J.~Lounila and T.~Helgaker},
  year = 	 {1998},
  journal = 	 cpl ,
  volume =       297 ,
  pages =        467
}

@PhdThesis{krphd,
  author = 	 {K.~Ruud},
  title = 	 {Magnetic properties of closed-shell molecules},
  school = 	 {University of Oslo},
  year = 	 {1998},
  address = 	 {Oslo (Norway)},
}

@ARTICLE{thmjkrcr99,
        AUTHOR = {T.~Helgaker and M.~Jaszu\'{n}ski and K.~Ruud},
        key = {Ab Initio Methods for the Calculation of NMR Shielding
                  Constants and Indirect Spin-Spin Coupling
                  Constants},
        year = 1999 ,
        journal = {Chem.~Rev.},
        volume = 99 ,
        pages = 293 }


@Article{vbthwkkrmp96,
  author = 	 {V.~Bakken and T.~Helgaker and W.~Klopper and K.~Ruud},
  journal = 	 mp,
  year = 	 {1999},
  key = 	 {The calculation of molecular geometrical properties
                  in the Hellmann-Feynman approximation}, 
  volume = 	 {96},
  pages = 	 {653}
}

@Article{poakrkvmthjcp110,
	AUTHOR = {{\mbox P.-O}.~{\AA}strand and K.~Ruud and K.~V.~Mikkelsen and
	          T.~Helgaker},
	KEY = {Rotational averaging of magnetic properties of the
	       hydrogen fluoride molecule},
        journal = jcp ,
        year = 1999 ,
        volume = 110,
        pages = 9463 }

@InCollection{pdkrthprtmaksic,
  author = 	 {P.~Dahle and K.~Ruud and T.~Helgaker and P.~R.~Taylor},
  booktitle = 	 {Pauling's legacy - Modern Theory
                  (Modelling) of Chemical Bonding},
  key = 	 {Molecular Polarizabilities and Magnetizabilities},
  pages = 	 {147},
  publisher = {Elsevier},
  year = 	 {1999},
  editor = 	 {Z.~Maksic and W.~J.~Orville--Thomas}
}

@Article{jvkrovjcc20,
  author = 	 {J.~Vaara and K.~Ruud and O.~Vahtras},
  journal = 	 jcc,
  year = 	 {1999},
  key = 	 {Correlated Response Calculations of the Spin-Orbit
                  Interaction Contribution to Nuclear Spin-Spin
                  Couplings}, 
  volume = 	 {20},
  pages = 	 {1314}
}

@Article{jvkrovjcp111,
  author = 	 {J.~Vaara and K.~Ruud and O.~Vahtras},
  journal = 	 jcp,
  year = 	 {1999},
  key = 	 {Second- and third-order spin-orbit contributions to
                  nuclear shielding tensors},
  volume = 	 {111},
  pages = 	 {2900}
}

@Article{kvmkrthjcc20,
  author = 	 {K.~V.~Mikkelsen and K.~Ruud and T.~Helgaker},
  journal = 	 jcc,
  year = 	 {1999},
  key = 	 {Solvent Effects on the NMR Parameters of H2S and HCN},
  volume = 	 {20},
  pages = 	 {1281}
}

@Article{krbshacpl310,
  author = 	 {K.~Ruud and B.~Schimmelpfennig and H.~{\AA}gren},
  journal = 	 cpl,
  year = 	 {1999},
  key = 	 {Internal and external heavy-atom effects on the
                  phosphoresence radiative lifetimes calculated using
                  a mean-filed spin-orbit Hamiltonian},
  volume = 	 {310},
  pages = 	 {215}
}

@Article{krprtmjjpca104,
  author = 	 {K.~Ruud and P.~R.~Taylor and M.~Jaszu\'{n}ski},
  journal = 	 jpca,
  year = 	 {2000},
  key = 	 {Comment on "On the Magnetic Susceptibility of Fluorine"},
  volume = 	 {104},
  pages = 	 {168}
}

@Article{poakrprtjcp112,
  author = 	 {P.-O.~{\AA}strand and K.~Ruud and P.~R.~Taylor},
  journal =       jcp,
  year    =       2000,
  key =          {Calculation of the vibrational wave function of
                  polyatomic molecules},
  volume =        112 ,
  pages =         {2655}
}

@Article{krpoaprtjcp112,
  author = 	 {K.~Ruud and P.-O.~{\AA}strand and P.~R.~Taylor},
  journal =      jcp ,
  year =         2000 ,
  key =          {An efficient approach for calculating vibrational
                  wave functions and zero-point vibrational
                  corrections to molecular properites of polyatomic
                  molecules},
  volume = 112 ,
  pages = {2668}
}

@Article{poakrdstca103,
  author = 	 {P.-O.~{\AA}strand and K.~Ruud and D.~Sundholm},
  journal = tca ,
  year = 2000 ,
  key = {A modified variation-perturbation approach to zero-point 
         vibrational motion},
  volume = 103 ,
  pages = 365
}


@Article{djkrprtcpc128,
  author = 	 {D.~Jonsson and K.~Ruud and P.~R.~Taylor},
  journal = 	 {Comp.~Phys.~Comm.},
  year = 	 {2000},
  Tkey = 	 {Parallell calculations of molecular properties},
  volume = 	 {128},
  pages = 	 {412}
}

@Article{krdjprtpccp2,
  author = 	 {K.~Ruud and D.~Jonsson and P.~R.~Taylor},
  journal = 	 {Phys.~Chem.~Chem.~Phys.},
  year = 	 {2000},
  key = 	 {Vibrational effects on electric and magnetic
                  suscpetibilities: application to the properties of
                  the water molecule},
  volume = 	 {2},
  pages = 	 {2161}
}

@Article{plpdkckrcpl319,
  author = 	 {P.~L.~Polavarapu and D.~K.Chakraborty and K.~Ruud},
  journal = 	 cpl,
  year = 	 {2000},
  key = 	 {Molecular optical rotations: an evaluation of semiempirical
                  models},
  volume = 	 {319},
  pages = 	 {595}
}

@Article{mjkrcpl336,
  author = 	 {M.~Jaszu\'{n}ski and K.~Ruud},
  journal = 	 cpl,
  year = 	 {2001},
  key = 	 {Spin-spin coupling constants in C2H2},
  volume = 	 {336},
  pages = 	 {473}
}

@Misc{plvvtakjvkrjj,
  author = 	 {P.~Lantto and V.-V.~Telkki and A.~Kantola and
                  J.~Vaara and K.~Ruud and J.~Jokisaari},
  note = 	 {To be published}
}

@Misc{krpoaprtjacs,
  key = 	 {Zero-point vibrational corrections to hydrogen
                  shieldings: Functional-group corrections from {\em
                  ab initio\/} calculations}, 
  author = 	 {K.~Ruud and P.-O.~{\AA}strand and P.~R.~Taylor},
  note = 	 {\mbox J.~Am.~Chem.~Soc., submitted}
}

@Misc{krpoaprtjpc,
  key = 	 {Zero-point vibrational corrections to magnetizabilities}, 
  author = 	 {K.~Ruud and P.-O.~{\AA}strand and P.~R.~Taylor},
  note = 	 {\mbox J.~Phys.~Chem. {\bf A}., to be submitted}
}

@Article{pmpljvkrjcp119,
  author = 	 {P.~Manninen and P.~Lantto and J.~Vaara and K.~Ruud},
  journal = 	 jcp,
  year = 	 {2003},
  key = 	 {Perturbational ab initio calculations of relativistic contributions to nuclear magnetic resonance shielding tensors},
  volume = 	 {119},
  pages = 	 {2623}
}

%
%
%       Accepted
%
%
%
%
%       Submitted
%
%
@MISC{krdhsthunpub,
	AUTHOR = {K.~Ruud and D.~H.~Sutter and T.~Helgaker},
	NOTE = {Unpublished results}}

@MISC{mjkr,
        AUTHOR = {M.~Jaszu\'{n}ski and K.~Ruud and T.~Helgaker},
        NOTE = {Unpublished results}}

@Unpublished{cmkrthjv,
  author = 	 {C.~Mohn and K.~Ruud and T.~Helgaker and J.~Vaara and
                  T.~Saue},
  note = 	 {Unpublished results}
}

@Misc{poakr,
  author = 	 {P.-O.~{\AA}strand and K.~Ruud},
  note = 	 {to be published},
}

